/* Critical CSS for above-the-fold content - shared across all pages */
:root {
  --font-body:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --font-heading:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --primary: #2e7d32;
  --primary-dark: #1b5e20;
  --primary-light: #4caf50;
  --text-dark: #333;
  --text-light: #fff;
  --background: #fff;
  --shadow: rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--background);
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  margin-bottom: 1rem;
  line-height: 1.3;
  font-weight: 600;
}

h1 {
  font-size: 2.5rem;
}

.hero-image {
  width: 100%;
  height: 600px;
  object-fit: cover;
  margin-bottom: 2rem;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-nav {
  background: var(--primary);
  color: var(--text-light);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.mobile-nav {
  display: none;
}

.plant-header {
  text-align: center;
  padding: 2rem 0;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: var(--text-light);
}

.plant-header h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.plant-header .scientific-name {
  font-size: 1.5rem;
  opacity: 0.9;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .hero-image {
    height: 300px;
  }

  .plant-header h1 {
    font-size: 2.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  .container {
    padding: 0 1rem;
  }
}